html,body,div,span,h1,h2,h3,h4,h5,h6,ul,ol,li,p{
    margin: 0;
    padding: 0;
   }
   html,body{
   
 width: 100%;
 height: 100%;
 font-family: "微软雅黑";
}
ul,ol{
 list-style:none;
}
a{
 text-decoration: none;
}


